If you use Bookworm and use the built-in support for espeak, you can get up to 600 words per minute or so. Dectalk can go well over 900 words per minute. As far as I know, cocoa tops out at around 500 words per minute. So all of the options accept piper should be fine for you.
If you use Bookworm and use the built-in support for espeak, you can get up to 600 words per minute or so. Dectalk can go well over 900 words per minute. As far as I know, cocoa tops out at around 500 words per minute. So all of the options accept piper should be fine for you.